package servletUtenteReg;

import gestioneContesto.GestoreContesto;

import java.io.IOException;
import java.util.ArrayList;

import javax.naming.NamingException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import logicaUtenteReg.GestoreRichiesteRemote;

/**
 * Servlet implementation class RichiesteAmiciziaServlet
 */
public class RichiesteAmiciziaServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
	private RequestDispatcher dispatcher;
	private GestoreContesto contesto;
	
    /**
     * @see HttpServlet#HttpServlet()
     */
    public RichiesteAmiciziaServlet() {
        
    	super();
    	contesto = new GestoreContesto();
       
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		try {
			eseguiRichiesta(request, response);
		} catch (NamingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		try {
			eseguiRichiesta(request, response);
		} catch (NamingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}
	
	private void eseguiRichiesta(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, NamingException {
		
		GestoreRichiesteRemote gestore = contesto.getGestore(GestoreRichiesteRemote.class, "GestoreRichiesteRemote");
		
		String username = request.getParameter("username");
		String nome = request.getParameter("nome");
		String cognome = request.getParameter("cognome");
		ArrayList<String> lista = gestore.listaRicAmicizia(username);
		
		if(lista != null) {
			
			for(int i = 0; i < lista.size(); i++) {
				
				request.setAttribute("el" + i, lista.get(i));
				
			}
			
			request.setAttribute("size", lista.size());
			
		}
		
		else {
			
			request.setAttribute("size", 0);
			
		}
		
		request.setAttribute("id", username);
		request.setAttribute("nome", nome);
		request.setAttribute("cognome", cognome);
		dispatcher = request.getRequestDispatcher("RichiesteAmicizia.jsp");
		dispatcher.forward(request, response);
		
	}

}
